The general features of the structure of a hydrogen atom and hydrogen like species were quantitatively explained by Niels Bohr: Write any postulate of the Bohr’s model of the hydrogen atom.

Write any postulate of the Bhor's model of the hydrogen atom

The general features of the structure of a hydrogen atom and hydrogen like species were quantitatively explained by Niels Bohr: Calculate the radius of the second orbit of Li^(2+) (Express the answer in nm)

Write the main postulates of the Bohr model of atom.

Give any two postulates of Rutherford’s nuclear model of an atom

Explain Bohr's model of atom?

Which of the following statements are correct about the Bohr model of hydrogen atom?

Aldehydes and ketones undergo reactions due to the presence of alpha -hydrogen atom. Write the name of the reaction of aldehyde which takes place only because of the presence of alpha -hydrogen atom.

Bohr was the first to explain the structure of hydrogen atom and spectrum. Calculate the wavelength of the first line in the Lyman series of the hydrogen spectrum. ( R= 109677 cm^(-1))